Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL http://music-summer-courses.eu/upload/files/gunanoxepubiva.pdf In PDF document text

  • http://bafiti.com/sklep/userfiles/file/56277502198.pdfIn PDF document text
  • https://bibliotheque.ville.deux-montagnes.qc.ca/ckfinder/userfiles/files/77666025822.pdfIn PDF document text
  • http://okwecare.com/usr/userfiles/files/944774650.pdfIn PDF document text
  • http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16078942852563---kotemuzibemamafimiz.pdfIn PDF document text
  • http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607650d6b87d0---gomuk.pdfIn PDF document text
  • https://styliststudios.com/imagesTE/file/46272386971.pdfIn PDF document text
  • http://chichen.asia/ckfinder/userfiles/files/21189293487.pdfIn PDF document text
  • http://iberryhomemade.com/userfiles/files/96619335008.pdfIn PDF document text
  • http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ee02068245---sudinevaxamepedezemov.pdfPDF link annotation
  • http://sushimura1.com/uploads/files/93448260533.pdfIn PDF document text
  • http://hcvitamin.com/webroot/img/files/xufubupitosagatufozikixes.pdfIn PDF document text
  • http://bobiniauto.com/userfiles/file/7631148525.pdfIn PDF document text
  • http://ukicda.com/admin/fckeditor_upfiles/file/2021070710511980554.pdfIn PDF document text
  • https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/2dbddea97fed406f5a3d005251d70569/38069535683.pdfIn PDF document text
  • http://ahxxzx.com/userfiles/202104/file/losajaxikafowi.pdfIn PDF document text
  • http://hamzalegalservices.com/userfiles/file/pigajubopivawinivuvoj.pdfIn PDF document text
  • https://canevastoilestjean.com/upload/editor/file/52961755634.pdfIn PDF document text
  • https://hamzakocakoglu.com/userfiles/file/46523469021.pdfIn PDF document text
  • https://hram-uspeniya.ru/ckfinder/userfiles/files/25481501177.pdfIn PDF document text
  • https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb26d4234b---31093070344.pdfIn PDF document text
  • https://xanbiente.de/userfiles/file/buridegowupejejazap.pdfIn PDF document text
  • http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c40be6306bb---xekurodobu.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096a2364c6b4---72305518441.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=learn+visual+basic+excel+pdfPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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